Cylinder padlock



March 27, 1928.

` 1,663,799 J. JUNKUNC CYLINDER PADLOCK Filed Jan.17. 1927 l IIIIF j TELL ff Jarz Jun/func L2-y j Patented Mar. 27, 17928.

insana Jenn JUNKUNC, or unicaen-'rumors .I CYLINDER rADLoCK.`

Application'medianuary "1711927.' .seriarmi'eisa Y This invention yrelates to a cylinder' padlock, and concerns itself moreparti'cularly with a casing therefor which'may be 'readily' stamped -from `suitable-metal or the-like and which may be made in cylindrical form.

The invention comprises the novel structure and combination of parts hereinafter described and more particularly pointed cut and defined in theappended claims.

In the accompanying drawing, which illustrates the preferred embodiment of this invention Figure 1 is an elevational view of a cylinder lock involving this invention.

Figure 2 is an enlarged view similar to Figure 1, with the upper lock plate removed to show the interior structure.

yFigure 3 is a view similar to Figure 2, with the upper lock plate removed.

Figure 4 is a sectional View taken upon the line IV-IV of Figure 2.

Figure 5 is a sectional view taken upon the line V-V of Figure 2.

Figure 6 is a sectional view taken upon the line VI-VI of Figure 2.

In order to illustrate this invention, there is shown a cylindrical metal casing 1 which may be stamped from suitable metal or the like. 'Ihe casing is provided with anvini tegral bottom and the opposite end thereof is rabbetted, as indicated at 2, for receiving a cover plate 3.

The key barrel, which is designated by the reference numeral 4, and the arms 5 and 6 of the hasp 7 are adaptedto be supported within the casing 1, which is provided with suitable apertures therefor. The arms of the hasp and the key barrel are preferably supportedwithin the casing 1 between a pair of co-operating stamped plates 8 and 9, which may be termed lock plates. These plates are provided with oppositely directed guide teats 8a which engage grooves 1a in the casing in order that the plates may be properly aligned in the casing.

It will be noted that these platesy are stamped with suitable concave depressions which form suitable cyclindrical ways when the plates are assembled for confining the aforementioned parts. Each lock plate is provided with a pair of struck-out teats or tangs 10 for respectively spacing said plates with respect to the top and bottom of the casing, as shown in Figures 4 and 6. Each plate is provided with a stop 11, which is preferably formedl by indenting thes'an'je. Each stopy is located in one of the way-2s for engaging the4 arms of theha'sfp.' onestop 11 engages'theend fthe short mijn '6 'the la's'p whilethe therstop 1`1 engages shoul-V der whichis formed at the end of a fiat portion 5a upon the long arm 5 of the hasp. Each lock plate is also provided with a suitable slot 12 for accommodating the ends of the locking bar 13 which extends transversely of the lock plates and which is supported in a suitable slot 14 extending through the key barrel. The hasp is provided with suitable locking notches 15 which are adapted to be engaged by the ends of the locking bar 13.

The key barrel is provided with the usual tumblers v16 las is'well known vin-the art, and the forward end thereof is reduced as indicated at 17, sorthat by placing the key' barrel in obliquel position within the casing,'the re` duced end may be extended through its openl ing by endwise movement.

The lock plates are also provided with integral projections 17a which permit the same to be stamped from thin metal and at the same time allow suflicient space for desired travel of the tumblers 16. f

In the operation of this lock, the key, of course, is inserted in the barrel which is rotatably confined between the lock plates 8 and 9. As the barrel is turned,it will oscillate the locking bar 13 for engaging and disy engaging the ends thereof with respect to the lockingnotches in the arms of the hasp.

From the foregoing, it will be appreciated that a very simple cylindrical lock casing has been provided in which theA parts may be readily stamped and assembled in an eX- peditious manner.

I am aware that manychanges may bey made and numerous details of construction may b-e varied through a wide range without departing from the principles of this invention, and I therefore do not purpose limiting the patent granted hereon otherwise than necessitated by the prior art.

I claim as my invention:

1. AIn a padlock, a cylindrical casing having spaced apertures for receiving the hasp, a pair of complementary plates suitably lstamped to provide ways for receiving the armsfofY the padlock and a way therebetween for receiving the key barrel, said plates having suitable slots, and a key barrel positioned in said last-mentioned Way and having a locking bar positioned at the plane of said slots.

2. In a padlock, a cylindrical casing, aY

pair of lock plates spaced from the top and bottom of the casing, said plates having cooperating'depressions Vforming Ways for receiving the arms of the hasp, and a Way for receiving the key barrel, said key'barrel having a reduced end for insertion by endwise movement.

3. In a padlock, a casing having an integral bottom and a removable cover, and having opposite grooves, andv a pair of lock plates having aligned projections adapted 15 for engaging lsaid grooves for properly aligning said plates with respect to said cas- Ving.

4. In a padlock,V a cylindrical casing, a

pair of lock plates spaced from the top and 20 bottom of the casing and provided With cooperating Ways for receiving the arms ot' the hasp of a padlock, and an intermediate Way for receiving the key barrel.

In testimony whereof I have hereunto 25 subscribed my name.

' JOI-IN J UN KUN C. 

